Louis Nemser, MD
NPI 1902895857 · Geriatric Psychiatry Physician · Needham, MA
Louis Nemser, MD is a Geriatric Psychiatry Physician provider in Needham, MA (NPI 1902895857).
Provider details
- NPI number
- 1902895857
- Entity type
- Individual
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 204082 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-13
- Last updated
- 2025-09-11
Frequently asked questions
- What is Louis Nemser's NPI number?
- Louis Nemser's National Provider Identifier (NPI) is 1902895857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Nemser's specialty?
- Louis Nemser is listed in the NPPES registry with a primary specialty of Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Nemser located?
- Louis Nemser's practice location on file with NPPES is 992 Great Plain Ave, Needham, MA 02492-2561.
- What is Louis Nemser's phone number?
- The practice phone number listed in the NPPES registry for Louis Nemser is (781) 433-0225.
- Is Louis Nemser's NPI active?
- Yes — Louis Nemser's NPI (1902895857) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.